replicate a weighted reference w/o need large resistors ?

taofeng

Hi,

( o! K% c8 a+ j; I0 t5 z# GAny topologies to replicate a weighted version of a reference voltage w/o need large resistors ?

# q% z6 P7 K% p0 i7 ?9 Kthanks,
( t( z4 M9 {  ^$ A! k7 {7 X
9 `0 a. @$ P! N9 o0 z# ojeffrey

alab307

1. How about use SC circuit?
! R& l' e# n+ @$ Z0 c! q2. Use MOS as resistor?